40405122355254 has 16 divisors (see below), whose sum is σ = 80964757612992. Its totient is φ = 13442621968008.

The previous prime is 40405122355231. The next prime is 40405122355291. The reversal of 40405122355254 is 45255322150404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6438034204 + ... + 6438040479.

It is an arithmetic number, because the mean of its divisors is an integer number (5060297350812).

Almost surely, 2^{40405122355254} is an apocalyptic number.

40405122355254 is an abundant number, since it is smaller than the sum of its proper divisors (40559635257738).

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

40405122355254 is a wasteful number, since it uses less digits than its factorization.

40405122355254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12876075211.

The product of its (nonzero) digits is 960000, while the sum is 42.

The spelling of 40405122355254 in words is "forty trillion, four hundred five billion, one hundred twenty-two million, three hundred fifty-five thousand, two hundred fifty-four".