40051623402 has 48 divisors (see below), whose sum is σ = 99748771200. Its totient is φ = 11377168416.

The previous prime is 40051623379. The next prime is 40051623419. The reversal of 40051623402 is 20432615004.

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 23 ways as a sum of consecutive naturals, for example, 896902 + ... + 940497.

It is an arithmetic number, because the mean of its divisors is an integer number (2078099400).

Almost surely, 2^40051623402 is an apocalyptic number.

40051623402 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

40051623402 is an abundant number, since it is smaller than the sum of its proper divisors (59697147798).

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

40051623402 is a wasteful number, since it uses less digits than its factorization.

40051623402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837587 (or 1837584 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The spelling of 40051623402 in words is "forty billion, fifty-one million, six hundred twenty-three thousand, four hundred two".