40100502 has 32 divisors (see below), whose sum is σ = 86623488. Its totient is φ = 12302496.

The previous prime is 40100491. The next prime is 40100503. The reversal of 40100502 is 20500104.

40100502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40100503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40303 + ... + 41285.

It is an arithmetic number, because the mean of its divisors is an integer number (2706984).

Almost surely, 2^40100502 is an apocalyptic number.

40100502 is an abundant number, since it is smaller than the sum of its proper divisors (46522986).

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

40100502 is a wasteful number, since it uses less digits than its factorization.

40100502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 40100502 is about 6332.4957165402. The cubic root of 40100502 is about 342.2813764535.

Subtracting from 40100502 its sum of digits (12), we obtain a triangular number (40100490 = T₈₉₅₅).

Adding to 40100502 its reverse (20500104), we get a palindrome (60600606).

The spelling of 40100502 in words is "forty million, one hundred thousand, five hundred two".