40215155551024 has 40 divisors (see below), whose sum is σ = 80592200331552. Its totient is φ = 19426691258880.

The previous prime is 40215155551019. The next prime is 40215155551027. The reversal of 40215155551024 is 42015555151204.

It is not an unprimeable number, because it can be changed into a prime (40215155551027) 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, 297522679 + ... + 297657814.

Almost surely, 2^{40215155551024} is an apocalyptic number.

It is an amenable number.

40215155551024 is an abundant number, since it is smaller than the sum of its proper divisors (40377044780528).

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

40215155551024 is a wasteful number, since it uses less digits than its factorization.

40215155551024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595180645 (or 595180639 counting only the distinct ones).

The product of its (nonzero) digits is 200000, while the sum is 40.

The spelling of 40215155551024 in words is "forty trillion, two hundred fifteen billion, one hundred fifty-five million, five hundred fifty-one thousand, twenty-four".