4000655051580 has 96 divisors (see below), whose sum is σ = 12221274240000. Its totient is φ = 969769140480.

The previous prime is 4000655051579. The next prime is 4000655051587. The reversal of 4000655051580 is 851505560004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000655051587) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7283421 + ... + 7813419.

It is an arithmetic number, because the mean of its divisors is an integer number (127304940000).

Almost surely, 2^{4000655051580} is an apocalyptic number.

It is an amenable number.

4000655051580 is an abundant number, since it is smaller than the sum of its proper divisors (8220619188420).

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

4000655051580 is a wasteful number, since it uses less digits than its factorization.

4000655051580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541459 (or 541457 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 39.

The spelling of 4000655051580 in words is "four trillion, six hundred fifty-five million, fifty-one thousand, five hundred eighty".