1082078640 has 60 divisors (see below), whose sum is σ = 3633983184. Its totient is φ = 288554112.

The previous prime is 1082078629. The next prime is 1082078651. The reversal of 1082078640 is 468702801.

1082078640 is a `hidden beast` number, since 1 + 0 + 8 + 2 + 0 + 7 + 8 + 640 = 666.

It is an interprime number because it is at equal distance from previous prime (1082078629) and next prime (1082078651).

It is a tau number, because it is divible by the number of its divisors (60).

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

It is a junction number, because it is equal to n+sod(n) for n = 1082078595 and 1082078604.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 750724 + ... + 752163.

Almost surely, 2^1082078640 is an apocalyptic number.

1082078640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1082078640 is an abundant number, since it is smaller than the sum of its proper divisors (2551904544).

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

1082078640 is a wasteful number, since it uses less digits than its factorization.

1082078640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502906 (or 1502897 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 1082078640 is about 32894.9637482700. The cubic root of 1082078640 is about 1026.6433729090.

The spelling of 1082078640 in words is "one billion, eighty-two million, seventy-eight thousand, six hundred forty".