1071944604 has 60 divisors (see below), whose sum is σ = 2861938464. Its totient is φ = 349707456.

The previous prime is 1071944593. The next prime is 1071944617. The reversal of 1071944604 is 4064491701.

1071944604 is a `hidden beast` number, since 1 + 0 + 7 + 1 + 9 + 44 + 604 = 666.

It is a super-2 number, since 2×1071944604² = 2298130468089433632, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19969 + ... + 50424.

Almost surely, 2^1071944604 is an apocalyptic number.

It is an amenable number.

1071944604 is an abundant number, since it is smaller than the sum of its proper divisors (1789993860).

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

1071944604 is a wasteful number, since it uses less digits than its factorization.

1071944604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70456 (or 70445 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1071944604 is about 32740.5651142432. The cubic root of 1071944604 is about 1023.4283600943.

The spelling of 1071944604 in words is "one billion, seventy-one million, nine hundred forty-four thousand, six hundred four".