1104257640 has 32 divisors (see below), whose sum is σ = 3312773280. Its totient is φ = 294468672.

The previous prime is 1104257639. The next prime is 1104257653. The reversal of 1104257640 is 467524011.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1104257598 and 1104257607.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4600954 + ... + 4601193.

It is an arithmetic number, because the mean of its divisors is an integer number (103524165).

Almost surely, 2^1104257640 is an apocalyptic number.

1104257640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1104257640 is an abundant number, since it is smaller than the sum of its proper divisors (2208515640).

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

1104257640 is a wasteful number, since it uses less digits than its factorization.

1104257640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9202161 (or 9202157 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 1104257640 is about 33230.3722519023. The cubic root of 1104257640 is about 1033.6102423567.

The spelling of 1104257640 in words is "one billion, one hundred four million, two hundred fifty-seven thousand, six hundred forty".