40215253445 has 8 divisors (see below), whose sum is σ = 48260409120. Its totient is φ = 32170799440.

The previous prime is 40215253391. The next prime is 40215253447. The reversal of 40215253445 is 54435251204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40215253445 - 2⁶ = 40215253381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40215253447) 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, 39791 + ... + 286380.

It is an arithmetic number, because the mean of its divisors is an integer number (6032551140).

Almost surely, 2^40215253445 is an apocalyptic number.

It is an amenable number.

40215253445 is a deficient number, since it is larger than the sum of its proper divisors (8045155675).

40215253445 is a wasteful number, since it uses less digits than its factorization.

40215253445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350835.

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 40215253445 in words is "forty billion, two hundred fifteen million, two hundred fifty-three thousand, four hundred forty-five".