426969240 has 64 divisors (see below), whose sum is σ = 1336608000. Its totient is φ = 108907392.

The previous prime is 426969239. The next prime is 426969251. The reversal of 426969240 is 42969624.

It is a junction number, because it is equal to n+sod(n) for n = 426969192 and 426969201.

It is a congruent number.

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, 74590 + ... + 80109.

It is an arithmetic number, because the mean of its divisors is an integer number (20884500).

Almost surely, 2^426969240 is an apocalyptic number.

426969240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

426969240 is an abundant number, since it is smaller than the sum of its proper divisors (909638760).

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

426969240 is a wasteful number, since it uses less digits than its factorization.

426969240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154736 (or 154732 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 426969240 is about 20663.2340160005. The cubic root of 426969240 is about 753.0067388098.

The spelling of 426969240 in words is "four hundred twenty-six million, nine hundred sixty-nine thousand, two hundred forty".