45640650 has 96 divisors (see below), whose sum is σ = 124992000. Its totient is φ = 10929600.

The previous prime is 45640643. The next prime is 45640657. The reversal of 45640650 is 5604654.

It is an interprime number because it is at equal distance from previous prime (45640643) and next prime (45640657).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (45640657) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 229251 + ... + 229449.

It is an arithmetic number, because the mean of its divisors is an integer number (1302000).

Almost surely, 2^45640650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45640650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62496000).

45640650 is an abundant number, since it is smaller than the sum of its proper divisors (79351350).

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

45640650 is a wasteful number, since it uses less digits than its factorization.

45640650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 45640650 is about 6755.7864087018. The cubic root of 45640650 is about 357.3693264575.

The spelling of 45640650 in words is "forty-five million, six hundred forty thousand, six hundred fifty".