4572126640 has 20 divisors (see below), whose sum is σ = 10630194624. Its totient is φ = 1828850624.

The previous prime is 4572126623. The next prime is 4572126703. The reversal of 4572126640 is 466212754.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 4572126640.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28575712 + ... + 28575871.

Almost surely, 2^4572126640 is an apocalyptic number.

4572126640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4572126640 is an abundant number, since it is smaller than the sum of its proper divisors (6058067984).

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

4572126640 is a wasteful number, since it uses less digits than its factorization.

4572126640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57151596 (or 57151590 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 4572126640 is about 67617.5024679262. The cubic root of 4572126640 is about 1659.7375401570.

It can be divided in two parts, 45721 and 26640, that added together give a square (72361 = 269²).

The spelling of 4572126640 in words is "four billion, five hundred seventy-two million, one hundred twenty-six thousand, six hundred forty".