1645494096 has 40 divisors (see below), whose sum is σ = 4258375264. Its totient is φ = 547528320.

The previous prime is 1645494089. The next prime is 1645494119. The reversal of 1645494096 is 6904945461.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2611 + ... + 57426.

Almost surely, 2^1645494096 is an apocalyptic number.

1645494096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1645494096 is an abundant number, since it is smaller than the sum of its proper divisors (2612881168).

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

1645494096 is a wasteful number, since it uses less digits than its factorization.

1645494096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60619 (or 60613 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

The square root of 1645494096 is about 40564.6902613591. The cubic root of 1645494096 is about 1180.5891188355.

The spelling of 1645494096 in words is "one billion, six hundred forty-five million, four hundred ninety-four thousand, ninety-six".