40621413438 has 16 divisors (see below), whose sum is σ = 90269807760. Its totient is φ = 13540471128.

The previous prime is 40621413409. The next prime is 40621413463. The reversal of 40621413438 is 83431412604.

40621413438 is a `hidden beast` number, since 4 + 0 + 6 + 214 + 1 + 3 + 438 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376124145 + ... + 376124252.

It is an arithmetic number, because the mean of its divisors is an integer number (5641862985).

Almost surely, 2^40621413438 is an apocalyptic number.

40621413438 is an abundant number, since it is smaller than the sum of its proper divisors (49648394322).

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

40621413438 is a wasteful number, since it uses less digits than its factorization.

40621413438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752248408 (or 752248402 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 40621413438 in words is "forty billion, six hundred twenty-one million, four hundred thirteen thousand, four hundred thirty-eight".