1001179040 has 48 divisors (see below), whose sum is σ = 2367497160. Its totient is φ = 400097280.

The previous prime is 1001179037. The next prime is 1001179051. The reversal of 1001179040 is 409711001.

It can be written as a sum of positive squares in 4 ways, for example, as 428821264 + 572357776 = 20708^2 + 23924^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1001178997 and 1001179015.

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, 223220 + ... + 227660.

Almost surely, 2^1001179040 is an apocalyptic number.

1001179040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001179040 is an abundant number, since it is smaller than the sum of its proper divisors (1366318120).

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

1001179040 is a wasteful number, since it uses less digits than its factorization.

1001179040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5865 (or 5857 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 1001179040 is about 31641.4133691907. The cubic root of 1001179040 is about 1000.3928589749.

The spelling of 1001179040 in words is "one billion, one million, one hundred seventy-nine thousand, forty".