45698640 has 160 divisors (see below), whose sum is σ = 155156736. Its totient is φ = 11059200.

The previous prime is 45698633. The next prime is 45698647. The reversal of 45698640 is 4689654.

It is an interprime number because it is at equal distance from previous prime (45698633) and next prime (45698647).

It is a junction number, because it is equal to n+sod(n) for n = 45698592 and 45698601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45698647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 302565 + ... + 302715.

Almost surely, 2^45698640 is an apocalyptic number.

45698640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45698640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77578368).

45698640 is an abundant number, since it is smaller than the sum of its proper divisors (109458096).

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

45698640 is a wasteful number, since it uses less digits than its factorization.

45698640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 45698640 is about 6760.0769226393. The cubic root of 45698640 is about 357.5206175861.

The spelling of 45698640 in words is "forty-five million, six hundred ninety-eight thousand, six hundred forty".