40404040037 has 4 divisors (see below), whose sum is σ = 42530568480. Its totient is φ = 38277511596.

The previous prime is 40404040013. The next prime is 40404040049. The reversal of 40404040037 is 73004040404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40404040037 - 2²⁴ = 40387262821 is a prime.

It is a super-2 number, since 2×40404040037² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40404039988 and 40404040015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40404040007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1063264193 + ... + 1063264230.

It is an arithmetic number, because the mean of its divisors is an integer number (10632642120).

Almost surely, 2^40404040037 is an apocalyptic number.

It is an amenable number.

40404040037 is a deficient number, since it is larger than the sum of its proper divisors (2126528443).

40404040037 is a wasteful number, since it uses less digits than its factorization.

40404040037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2126528442.

The product of its (nonzero) digits is 5376, while the sum is 26.

The spelling of 40404040037 in words is "forty billion, four hundred four million, forty thousand, thirty-seven".