40400342425555 has 32 divisors (see below), whose sum is σ = 59862623702400. Its totient is φ = 26073498286080.

The previous prime is 40400342425427. The next prime is 40400342425591. The reversal of 40400342425555 is 55552424300404.

It is not a de Polignac number, because 40400342425555 - 2⁷ = 40400342425427 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 692825286 + ... + 692883595.

It is an arithmetic number, because the mean of its divisors is an integer number (1870706990700).

Almost surely, 2^{40400342425555} is an apocalyptic number.

40400342425555 is a deficient number, since it is larger than the sum of its proper divisors (19462281276845).

40400342425555 is a wasteful number, since it uses less digits than its factorization.

40400342425555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385708924 (or 1385708910 counting only the distinct ones).

The product of its (nonzero) digits is 1920000, while the sum is 43.

Adding to 40400342425555 its reverse (55552424300404), we get a palindrome (95952766725959).

The spelling of 40400342425555 in words is "forty trillion, four hundred billion, three hundred forty-two million, four hundred twenty-five thousand, five hundred fifty-five".