40865749381002 has 64 divisors (see below), whose sum is σ = 100607935921920. Its totient is φ = 10776138407424.

The previous prime is 40865749380997. The next prime is 40865749381031. The reversal of 40865749381002 is 20018394756804.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2110213 + ... + 9283560.

It is an arithmetic number, because the mean of its divisors is an integer number (1571998998780).

It is a 1-persistent number, because it is pandigital, but 2⋅40865749381002 = 81731498762004 is not.

Almost surely, 2^{40865749381002} is an apocalyptic number.

40865749381002 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

40865749381002 is an abundant number, since it is smaller than the sum of its proper divisors (59742186540918).

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

40865749381002 is a wasteful number, since it uses less digits than its factorization.

40865749381002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11400367.

The product of its (nonzero) digits is 11612160, while the sum is 57.

The spelling of 40865749381002 in words is "forty trillion, eight hundred sixty-five billion, seven hundred forty-nine million, three hundred eighty-one thousand, two".