7220040055637 has 16 divisors (see below), whose sum is σ = 7324800088320. Its totient is φ = 7115995672128.

The previous prime is 7220040055577. The next prime is 7220040055687. The reversal of 7220040055637 is 7365500400227.

It is a cyclic number.

It is not a de Polignac number, because 7220040055637 - 2¹⁴ = 7220040039253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7220040055594 and 7220040055603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7220040055687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110488868 + ... + 110554194.

It is an arithmetic number, because the mean of its divisors is an integer number (457800005520).

Almost surely, 2^{7220040055637} is an apocalyptic number.

It is an amenable number.

7220040055637 is a deficient number, since it is larger than the sum of its proper divisors (104760032683).

7220040055637 is a wasteful number, since it uses less digits than its factorization.

7220040055637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70780.

The product of its (nonzero) digits is 352800, while the sum is 41.

The spelling of 7220040055637 in words is "seven trillion, two hundred twenty billion, forty million, fifty-five thousand, six hundred thirty-seven".