262428621672 has 128 divisors (see below), whose sum is σ = 766768066560. Its totient is φ = 73297509120.

The previous prime is 262428621667. The next prime is 262428621683. The reversal of 262428621672 is 276126824262.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1591873 + ... + 1748975.

It is an arithmetic number, because the mean of its divisors is an integer number (5990375520).

Almost surely, 2^262428621672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 262428621672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (383384033280).

262428621672 is an abundant number, since it is smaller than the sum of its proper divisors (504339444888).

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

262428621672 is a wasteful number, since it uses less digits than its factorization.

262428621672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157343 (or 157339 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 48.

The spelling of 262428621672 in words is "two hundred sixty-two billion, four hundred twenty-eight million, six hundred twenty-one thousand, six hundred seventy-two".