425441544 has 64 divisors (see below), whose sum is σ = 1175040000. Its totient is φ = 127283520.

The previous prime is 425441539. The next prime is 425441563. The reversal of 425441544 is 445144524.

It is a super-2 number, since 2×425441544² = 362001014722207872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 10657 + ... + 31055.

It is an arithmetic number, because the mean of its divisors is an integer number (18360000).

Almost surely, 2^425441544 is an apocalyptic number.

425441544 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425441544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (587520000).

425441544 is an abundant number, since it is smaller than the sum of its proper divisors (749598456).

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

425441544 is a wasteful number, since it uses less digits than its factorization.

425441544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20498 (or 20494 counting only the distinct ones).

The product of its digits is 51200, while the sum is 33.

The square root of 425441544 is about 20626.2343630630. The cubic root of 425441544 is about 752.1075794862.

The spelling of 425441544 in words is "four hundred twenty-five million, four hundred forty-one thousand, five hundred forty-four".