40406703718490 has 8 divisors (see below), whose sum is σ = 72732066693300. Its totient is φ = 16162681487392.

The previous prime is 40406703718483. The next prime is 40406703718541. The reversal of 40406703718490 is 9481730760404.

It can be written as a sum of positive squares in 2 ways, for example, as 39769709780329 + 636993938161 = 6306323^2 + 798119^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 2020335185915 + ... + 2020335185934.

Almost surely, 2^{40406703718490} is an apocalyptic number.

40406703718490 is a deficient number, since it is larger than the sum of its proper divisors (32325362974810).

40406703718490 is a wasteful number, since it uses less digits than its factorization.

40406703718490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4040670371856.

The product of its (nonzero) digits is 4064256, while the sum is 53.

The spelling of 40406703718490 in words is "forty trillion, four hundred six billion, seven hundred three million, seven hundred eighteen thousand, four hundred ninety".