264262421100 has 144 divisors (see below), whose sum is σ = 828403728768. Its totient is φ = 64782197760.

The previous prime is 264262420991. The next prime is 264262421141. The reversal of 264262421100 is 1124262462.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 383214 + ... + 821813.

It is an arithmetic number, because the mean of its divisors is an integer number (5752803672).

Almost surely, 2^264262421100 is an apocalyptic number.

264262421100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264262421100 is an abundant number, since it is smaller than the sum of its proper divisors (564141307668).

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

264262421100 is a wasteful number, since it uses less digits than its factorization.

264262421100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205104 (or 1205097 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 264262421100 its reverse (1124262462), we get a palindrome (265386683562).

The spelling of 264262421100 in words is "two hundred sixty-four billion, two hundred sixty-two million, four hundred twenty-one thousand, one hundred".