5401656545240 has 32 divisors (see below), whose sum is σ = 12153946235760. Its totient is φ = 2160623683200.

The previous prime is 5401656545239. The next prime is 5401656545267. The reversal of 5401656545240 is 425456561045.

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, 1084535 + ... + 3461145.

Almost surely, 2^{5401656545240} is an apocalyptic number.

It is an amenable number.

5401656545240 is an abundant number, since it is smaller than the sum of its proper divisors (6752289690520).

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

5401656545240 is a wasteful number, since it uses less digits than its factorization.

5401656545240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2433443 (or 2433439 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 47.

The spelling of 5401656545240 in words is "five trillion, four hundred one billion, six hundred fifty-six million, five hundred forty-five thousand, two hundred forty".