1045618690 has 32 divisors (see below), whose sum is σ = 1918002240. Its totient is φ = 410308800.

The previous prime is 1045618669. The next prime is 1045618723. The reversal of 1045618690 is 968165401.

It is a super-2 number, since 2×1045618690² = 2186636889754632200, which contains 22 as substring.

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, 253545 + ... + 257635.

It is an arithmetic number, because the mean of its divisors is an integer number (59937570).

Almost surely, 2^1045618690 is an apocalyptic number.

1045618690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1045618690 is a deficient number, since it is larger than the sum of its proper divisors (872383550).

1045618690 is a wasteful number, since it uses less digits than its factorization.

1045618690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4578.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 1045618690 is about 32336.0277399683. The cubic root of 1045618690 is about 1014.9806883171.

The spelling of 1045618690 in words is "one billion, forty-five million, six hundred eighteen thousand, six hundred ninety".