26351453240 has 48 divisors (see below), whose sum is σ = 68970900600. Its totient is φ = 9034783296.

The previous prime is 26351453239. The next prime is 26351453263. The reversal of 26351453240 is 4235415362.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 26351453240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6720350 + ... + 6724269.

Almost surely, 2^26351453240 is an apocalyptic number.

26351453240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26351453240 is an abundant number, since it is smaller than the sum of its proper divisors (42619447360).

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

26351453240 is a wasteful number, since it uses less digits than its factorization.

26351453240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13444644 (or 13444633 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 26351453240 in words is "twenty-six billion, three hundred fifty-one million, four hundred fifty-three thousand, two hundred forty".