40408461221376 has 40 divisors (see below), whose sum is σ = 107650666226664. Its totient is φ = 13469487073280.

The previous prime is 40408461221299. The next prime is 40408461221411. The reversal of 40408461221376 is 67312216480404.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13153794435 + ... + 13153797506.

Almost surely, 2^{40408461221376} is an apocalyptic number.

It is an amenable number.

40408461221376 is an abundant number, since it is smaller than the sum of its proper divisors (67242205005288).

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

40408461221376 is an equidigital number, since it uses as much as digits as its factorization.

40408461221376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26307591962 (or 26307591946 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 48.

The spelling of 40408461221376 in words is "forty trillion, four hundred eight billion, four hundred sixty-one million, two hundred twenty-one thousand, three hundred seventy-six".