1450758690 has 24 divisors (see below), whose sum is σ = 3771972828. Its totient is φ = 386868960.

The previous prime is 1450758689. The next prime is 1450758697. The reversal of 1450758690 is 968570541.

1450758690 is a `hidden beast` number, since 1 + 4 + 507 + 58 + 6 + 90 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1424534049 + 26224641 = 37743^2 + 5121^2 .

It is a super-2 number, since 2×1450758690² = 4209401553221032200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1450758697) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8059681 + ... + 8059860.

Almost surely, 2^1450758690 is an apocalyptic number.

1450758690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1450758690 is an abundant number, since it is smaller than the sum of its proper divisors (2321214138).

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

1450758690 is a wasteful number, since it uses less digits than its factorization.

1450758690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16119554 (or 16119551 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 1450758690 is about 38088.8263142880. The cubic root of 1450758690 is about 1132.0485694011.

The spelling of 1450758690 in words is "one billion, four hundred fifty million, seven hundred fifty-eight thousand, six hundred ninety".