427747632040 has 64 divisors (see below), whose sum is σ = 968404662720. Its totient is φ = 170040192000.

The previous prime is 427747632031. The next prime is 427747632049. The reversal of 427747632040 is 40236747724.

It is an interprime number because it is at equal distance from previous prime (427747632031) and next prime (427747632049).

It is a super-3 number, since 3×427747632040³ (a number of 36 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (427747632049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4688055 + ... + 4778425.

It is an arithmetic number, because the mean of its divisors is an integer number (15131322855).

Almost surely, 2^427747632040 is an apocalyptic number.

427747632040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

427747632040 is an abundant number, since it is smaller than the sum of its proper divisors (540657030680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

427747632040 is a wasteful number, since it uses less digits than its factorization.

427747632040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91114 (or 91110 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 46.

The spelling of 427747632040 in words is "four hundred twenty-seven billion, seven hundred forty-seven million, six hundred thirty-two thousand, forty".