40404153426 has 32 divisors (see below), whose sum is σ = 99456379008. Its totient is φ = 10656040320.

The previous prime is 40404153409. The next prime is 40404153443. The reversal of 40404153426 is 62435140404.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40404153409) and next prime (40404153443).

It is a super-2 number, since 2×40404153426² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36999595 + ... + 37000686.

It is an arithmetic number, because the mean of its divisors is an integer number (3108011844).

Almost surely, 2^40404153426 is an apocalyptic number.

40404153426 is an abundant number, since it is smaller than the sum of its proper divisors (59052225582).

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

40404153426 is a wasteful number, since it uses less digits than its factorization.

40404153426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74000306.

The product of its (nonzero) digits is 46080, while the sum is 33.

The spelling of 40404153426 in words is "forty billion, four hundred four million, one hundred fifty-three thousand, four hundred twenty-six".