40105814442540 has 96 divisors (see below), whose sum is σ = 140005752251904. Its totient is φ = 8333675727360.

The previous prime is 40105814442517. The next prime is 40105814442587. The reversal of 40105814442540 is 4524441850104.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 40105814442492 and 40105814442501.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4340451489 + ... + 4340460728.

It is an arithmetic number, because the mean of its divisors is an integer number (1458393252624).

Almost surely, 2^{40105814442540} is an apocalyptic number.

It is an amenable number.

40105814442540 is an abundant number, since it is smaller than the sum of its proper divisors (99899937809364).

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

40105814442540 is a wasteful number, since it uses less digits than its factorization.

40105814442540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8680912247 (or 8680912245 counting only the distinct ones).

The product of its (nonzero) digits is 409600, while the sum is 42.

The spelling of 40105814442540 in words is "forty trillion, one hundred five billion, eight hundred fourteen million, four hundred forty-two thousand, five hundred forty".