425293472899440 has 60 divisors (see below), whose sum is σ = 1428277246489704. Its totient is φ = 113411592772992.

The previous prime is 425293472899439. The next prime is 425293472899441. The reversal of 425293472899440 is 44998274392524.

425293472899440 is a `hidden beast` number, since 4 + 2 + 5 + 2 + 9 + 34 + 72 + 89 + 9 + 440 = 666.

It is an interprime number because it is at equal distance from previous prime (425293472899439) and next prime (425293472899441).

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425293472899441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 295342688794 + ... + 295342690233.

Almost surely, 2^{425293472899440} is an apocalyptic number.

425293472899440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425293472899440 is an abundant number, since it is smaller than the sum of its proper divisors (1002983773590264).

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

425293472899440 is a wasteful number, since it uses less digits than its factorization.

425293472899440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590685379046 (or 590685379037 counting only the distinct ones).

The product of its (nonzero) digits is 1254113280, while the sum is 72.

The spelling of 425293472899440 in words is "four hundred twenty-five trillion, two hundred ninety-three billion, four hundred seventy-two million, eight hundred ninety-nine thousand, four hundred forty".