425623704390 has 24 divisors (see below), whose sum is σ = 1106621631648. Its totient is φ = 113499654480.

The previous prime is 425623704361. The next prime is 425623704403. The reversal of 425623704390 is 93407326524.

425623704390 is a `hidden beast` number, since 4 + 25 + 6 + 237 + 0 + 4 + 390 = 666.

It is a super-2 number, since 2×425623704390² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2364576046 + ... + 2364576225.

It is an arithmetic number, because the mean of its divisors is an integer number (46109234652).

Almost surely, 2^425623704390 is an apocalyptic number.

425623704390 is an abundant number, since it is smaller than the sum of its proper divisors (680997927258).

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

425623704390 is a wasteful number, since it uses less digits than its factorization.

425623704390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4729152284 (or 4729152281 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 45.

The spelling of 425623704390 in words is "four hundred twenty-five billion, six hundred twenty-three million, seven hundred four thousand, three hundred ninety".