1078445272 has 64 divisors (see below), whose sum is σ = 2146176000. Its totient is φ = 507247104.

The previous prime is 1078445239. The next prime is 1078445293. The reversal of 1078445272 is 2725448701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2815593 + ... + 2815975.

It is an arithmetic number, because the mean of its divisors is an integer number (33534000).

Almost surely, 2^1078445272 is an apocalyptic number.

It is an amenable number.

1078445272 is a deficient number, since it is larger than the sum of its proper divisors (1067730728).

1078445272 is a wasteful number, since it uses less digits than its factorization.

1078445272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700 (or 696 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 40.

The square root of 1078445272 is about 32839.6904979325. The cubic root of 1078445272 is about 1025.4930079652.

The spelling of 1078445272 in words is "one billion, seventy-eight million, four hundred forty-five thousand, two hundred seventy-two".