40500217320 has 64 divisors (see below), whose sum is σ = 122111280000. Its totient is φ = 10745779968.

The previous prime is 40500217319. The next prime is 40500217321. The reversal of 40500217320 is 2371200504.

It is an interprime number because it is at equal distance from previous prime (40500217319) and next prime (40500217321).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (40500217321) 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, 824115 + ... + 871874.

It is an arithmetic number, because the mean of its divisors is an integer number (1907988750).

Almost surely, 2^40500217320 is an apocalyptic number.

40500217320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40500217320 is an abundant number, since it is smaller than the sum of its proper divisors (81611062680).

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

40500217320 is a wasteful number, since it uses less digits than its factorization.

40500217320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696202 (or 1696198 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

Adding to 40500217320 its reverse (2371200504), we get a palindrome (42871417824).

The spelling of 40500217320 in words is "forty billion, five hundred million, two hundred seventeen thousand, three hundred twenty".