1025818416 has 120 divisors (see below), whose sum is σ = 3312002304. Its totient is φ = 290321280.

The previous prime is 1025818399. The next prime is 1025818429. The reversal of 1025818416 is 6148185201.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103101 + ... + 112611.

Almost surely, 2^1025818416 is an apocalyptic number.

1025818416 is a gapful number since it is divisible by the number (16) 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 1025818416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1656001152).

1025818416 is an abundant number, since it is smaller than the sum of its proper divisors (2286183888).

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

1025818416 is a wasteful number, since it uses less digits than its factorization.

1025818416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9639 (or 9630 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The square root of 1025818416 is about 32028.4001473692. The cubic root of 1025818416 is about 1008.5331174626.

The spelling of 1025818416 in words is "one billion, twenty-five million, eight hundred eighteen thousand, four hundred sixteen".