1625415498 has 80 divisors (see below), whose sum is σ = 4296804864. Its totient is φ = 449413920.

The previous prime is 1625415479. The next prime is 1625415503. The reversal of 1625415498 is 8945145261.

1625415498 is a `hidden beast` number, since 1 + 62 + 5 + 41 + 549 + 8 = 666.

1625415498 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1625415498² = 5283951082277176008, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 12036 + ... + 58272.

Almost surely, 2^1625415498 is an apocalyptic number.

1625415498 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1625415498, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2148402432).

1625415498 is an abundant number, since it is smaller than the sum of its proper divisors (2671389366).

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

1625415498 is a wasteful number, since it uses less digits than its factorization.

1625415498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46289 (or 46280 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 1625415498 is about 40316.4420305165. The cubic root of 1625415498 is about 1175.7675378710.

The spelling of 1625415498 in words is "one billion, six hundred twenty-five million, four hundred fifteen thousand, four hundred ninety-eight".