40693454249540 has 24 divisors (see below), whose sum is σ = 86108591745792. Its totient is φ = 16153126876640.

The previous prime is 40693454249501. The next prime is 40693454249587. The reversal of 40693454249540 is 4594245439604.

It is a self number, because there is not a number n which added to its sum of digits gives 40693454249540.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7765923764 + ... + 7765929003.

It is an arithmetic number, because the mean of its divisors is an integer number (3587857989408).

Almost surely, 2^{40693454249540} is an apocalyptic number.

It is an amenable number.

40693454249540 is an abundant number, since it is smaller than the sum of its proper divisors (45415137496252).

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

40693454249540 is a wasteful number, since it uses less digits than its factorization.

40693454249540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15531852907 (or 15531852905 counting only the distinct ones).

The product of its (nonzero) digits is 74649600, while the sum is 59.

The spelling of 40693454249540 in words is "forty trillion, six hundred ninety-three billion, four hundred fifty-four million, two hundred forty-nine thousand, five hundred forty".