40121631635346 has 48 divisors (see below), whose sum is σ = 88956281150880. Its totient is φ = 13062203804160.

The previous prime is 40121631635329. The next prime is 40121631635387. The reversal of 40121631635346 is 64353613612104.

40121631635346 is a `hidden beast` number, since 4 + 0 + 1 + 2 + 1 + 6 + 3 + 1 + 635 + 3 + 4 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14319045 + ... + 16890183.

It is an arithmetic number, because the mean of its divisors is an integer number (1853255857310).

Almost surely, 2^{40121631635346} is an apocalyptic number.

40121631635346 is an abundant number, since it is smaller than the sum of its proper divisors (48834649515534).

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

40121631635346 is a wasteful number, since it uses less digits than its factorization.

40121631635346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2591351 (or 2591348 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 40121631635346 in words is "forty trillion, one hundred twenty-one billion, six hundred thirty-one million, six hundred thirty-five thousand, three hundred forty-six".