1078946040 has 64 divisors (see below), whose sum is σ = 3289923360. Its totient is φ = 283000320.

The previous prime is 1078946009. The next prime is 1078946047. The reversal of 1078946040 is 406498701.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1078946040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078946047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66379 + ... + 81018.

Almost surely, 2^1078946040 is an apocalyptic number.

1078946040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1078946040 is an abundant number, since it is smaller than the sum of its proper divisors (2210977320).

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

1078946040 is a wasteful number, since it uses less digits than its factorization.

1078946040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147472 (or 147468 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 1078946040 is about 32847.3140454437. The cubic root of 1078946040 is about 1025.6517100744.

The spelling of 1078946040 in words is "one billion, seventy-eight million, nine hundred forty-six thousand, forty".