40648790403 has 18 divisors (see below), whose sum is σ = 63578879676. Its totient is φ = 25014639312.

The previous prime is 40648790387. The next prime is 40648790411. The reversal of 40648790403 is 30409784604.

40648790403 is a `hidden beast` number, since 40 + 6 + 487 + 90 + 40 + 3 = 666.

It is not a de Polignac number, because 40648790403 - 2⁴ = 40648790387 is a prime.

It is a super-2 number, since 2×40648790403² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40648790473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13361001 + ... + 13364042.

It is an arithmetic number, because the mean of its divisors is an integer number (3532159982).

Almost surely, 2^40648790403 is an apocalyptic number.

40648790403 is a deficient number, since it is larger than the sum of its proper divisors (22930089273).

40648790403 is a wasteful number, since it uses less digits than its factorization.

40648790403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26725075 (or 26725059 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 40648790403 in words is "forty billion, six hundred forty-eight million, seven hundred ninety thousand, four hundred three".