40252613340 has 24 divisors (see below), whose sum is σ = 112707317520. Its totient is φ = 10734030208.

The previous prime is 40252613339. The next prime is 40252613347. The reversal of 40252613340 is 4331625204.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 40252613298 and 40252613307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40252613347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335438385 + ... + 335438504.

It is an arithmetic number, because the mean of its divisors is an integer number (4696138230).

Almost surely, 2^40252613340 is an apocalyptic number.

It is an amenable number.

40252613340 is an abundant number, since it is smaller than the sum of its proper divisors (72454704180).

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

40252613340 is a wasteful number, since it uses less digits than its factorization.

40252613340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670876901 (or 670876899 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The spelling of 40252613340 in words is "forty billion, two hundred fifty-two million, six hundred thirteen thousand, three hundred forty".