424625722240 has 64 divisors (see below), whose sum is σ = 1034274173760. Its totient is φ = 166645553152.

The previous prime is 424625722211. The next prime is 424625722273. The reversal of 424625722240 is 42227526424.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 424625722193 and 424625722202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6225304 + ... + 6293143.

It is an arithmetic number, because the mean of its divisors is an integer number (16160533965).

Almost surely, 2^424625722240 is an apocalyptic number.

424625722240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

424625722240 is an abundant number, since it is smaller than the sum of its proper divisors (609648451520).

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

424625722240 is a wasteful number, since it uses less digits than its factorization.

424625722240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12518519 (or 12518507 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 40.

The spelling of 424625722240 in words is "four hundred twenty-four billion, six hundred twenty-five million, seven hundred twenty-two thousand, two hundred forty".