40008747385490 has 192 divisors, whose sum is σ = 81946021731840. Its totient is φ = 14038837263360.

The previous prime is 40008747385489. The next prime is 40008747385549. The reversal of 40008747385490 is 9458374780004.

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 95 ways as a sum of consecutive naturals, for example, 1102363784 + ... + 1102400076.

It is an arithmetic number, because the mean of its divisors is an integer number (426802196520).

Almost surely, 2^{40008747385490} is an apocalyptic number.

40008747385490 is an abundant number, since it is smaller than the sum of its proper divisors (41937274346350).

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

40008747385490 is a wasteful number, since it uses less digits than its factorization.

40008747385490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36709 (or 36696 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 59.

The spelling of 40008747385490 in words is "forty trillion, eight billion, seven hundred forty-seven million, three hundred eighty-five thousand, four hundred ninety".