40100322452520 has 64 divisors (see below), whose sum is σ = 131237418939840. Its totient is φ = 9721290291200.

The previous prime is 40100322452497. The next prime is 40100322452527. The reversal of 40100322452520 is 2525422300104.

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

It is not an unprimeable number, because it can be changed into a prime (40100322452527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15189514761 + ... + 15189517400.

It is an arithmetic number, because the mean of its divisors is an integer number (2050584670935).

Almost surely, 2^{40100322452520} is an apocalyptic number.

40100322452520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40100322452520 is an abundant number, since it is smaller than the sum of its proper divisors (91137096487320).

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

40100322452520 is a wasteful number, since it uses less digits than its factorization.

40100322452520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30379032186 (or 30379032182 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 40100322452520 its reverse (2525422300104), we get a palindrome (42625744752624).

The spelling of 40100322452520 in words is "forty trillion, one hundred billion, three hundred twenty-two million, four hundred fifty-two thousand, five hundred twenty".