42421853754 has 96 divisors (see below), whose sum is σ = 112325481216. Its totient is φ = 11294553600.

The previous prime is 42421853741. The next prime is 42421853767. The reversal of 42421853754 is 45735812424.

42421853754 is a `hidden beast` number, since 42 + 4 + 21 + 8 + 537 + 54 = 666.

It is an interprime number because it is at equal distance from previous prime (42421853741) and next prime (42421853767).

It is a super-2 number, since 2×42421853754² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 118299 + ... + 314385.

It is an arithmetic number, because the mean of its divisors is an integer number (1170057096).

Almost surely, 2^42421853754 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42421853754, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56162740608).

42421853754 is an abundant number, since it is smaller than the sum of its proper divisors (69903627462).

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

42421853754 is a wasteful number, since it uses less digits than its factorization.

42421853754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196220 (or 196217 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 45.

The spelling of 42421853754 in words is "forty-two billion, four hundred twenty-one million, eight hundred fifty-three thousand, seven hundred fifty-four".