40144100502 has 32 divisors (see below), whose sum is σ = 91395267840. Its totient is φ = 11635970720.

The previous prime is 40144100461. The next prime is 40144100537. The reversal of 40144100502 is 20500144104.

It is a happy number.

It is a super-2 number, since 2×40144100502² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13221177 + ... + 13224212.

It is an arithmetic number, because the mean of its divisors is an integer number (2856102120).

Almost surely, 2^40144100502 is an apocalyptic number.

40144100502 is an abundant number, since it is smaller than the sum of its proper divisors (51251167338).

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

40144100502 is a wasteful number, since it uses less digits than its factorization.

40144100502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26445428.

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 40144100502 its reverse (20500144104), we get a palindrome (60644244606).

The spelling of 40144100502 in words is "forty billion, one hundred forty-four million, one hundred thousand, five hundred two".