40120413475 has 12 divisors (see below), whose sum is σ = 49789764640. Its totient is φ = 32070232800.

The previous prime is 40120413461. The next prime is 40120413479. The reversal of 40120413475 is 57431402104.

It is not a de Polignac number, because 40120413475 - 2¹⁷ = 40120282403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40120413479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 621060 + ... + 682609.

Almost surely, 2^40120413475 is an apocalyptic number.

40120413475 is a deficient number, since it is larger than the sum of its proper divisors (9669351165).

40120413475 is a wasteful number, since it uses less digits than its factorization.

40120413475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304910 (or 1304905 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

Adding to 40120413475 its reverse (57431402104), we get a palindrome (97551815579).

The spelling of 40120413475 in words is "forty billion, one hundred twenty million, four hundred thirteen thousand, four hundred seventy-five".