40279055825 has 12 divisors (see below), whose sum is σ = 52884031500. Its totient is φ = 30327759360.

The previous prime is 40279055813. The next prime is 40279055837. The reversal of 40279055825 is 52855097204.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40279055813) and next prime (40279055837).

It can be written as a sum of positive squares in 6 ways, for example, as 2347208704 + 37931847121 = 48448^2 + 194761^2 .

It is not a de Polignac number, because 40279055825 - 2⁸ = 40279055569 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40279055825.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47386700 + ... + 47387549.

It is an arithmetic number, because the mean of its divisors is an integer number (4407002625).

Almost surely, 2^40279055825 is an apocalyptic number.

It is an amenable number.

40279055825 is a deficient number, since it is larger than the sum of its proper divisors (12604975675).

40279055825 is a wasteful number, since it uses less digits than its factorization.

40279055825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94774276 (or 94774271 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 47.

The spelling of 40279055825 in words is "forty billion, two hundred seventy-nine million, fifty-five thousand, eight hundred twenty-five".