1045960840 has 32 divisors (see below), whose sum is σ = 2410815960. Its totient is φ = 408179200.

The previous prime is 1045960831. The next prime is 1045960859. The reversal of 1045960840 is 480695401.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 813276324 + 232684516 = 28518^2 + 15254^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1045960840.

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, 317251 + ... + 320530.

Almost surely, 2^1045960840 is an apocalyptic number.

1045960840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1045960840 is an abundant number, since it is smaller than the sum of its proper divisors (1364855120).

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

1045960840 is a wasteful number, since it uses less digits than its factorization.

1045960840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637833 (or 637829 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 1045960840 is about 32341.3178457527. The cubic root of 1045960840 is about 1015.0913844290.

The spelling of 1045960840 in words is "one billion, forty-five million, nine hundred sixty thousand, eight hundred forty".