4051555632 has 80 divisors (see below), whose sum is σ = 11899972480. Its totient is φ = 1319105088.

The previous prime is 4051555621. The next prime is 4051555643. The reversal of 4051555632 is 2365551504.

4051555632 is a `hidden beast` number, since 4 + 0 + 5 + 15 + 5 + 5 + 632 = 666.

It is an interprime number because it is at equal distance from previous prime (4051555621) and next prime (4051555643).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90478 + ... + 127629.

It is an arithmetic number, because the mean of its divisors is an integer number (148749656).

Almost surely, 2^4051555632 is an apocalyptic number.

It is an amenable number.

4051555632 is an abundant number, since it is smaller than the sum of its proper divisors (7848416848).

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

4051555632 is a wasteful number, since it uses less digits than its factorization.

4051555632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218167 (or 218155 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 4051555632 is about 63651.8313326490. The cubic root of 4051555632 is about 1594.1919147695.

The spelling of 4051555632 in words is "four billion, fifty-one million, five hundred fifty-five thousand, six hundred thirty-two".