45637742120 has 64 divisors (see below), whose sum is σ = 105829416000. Its totient is φ = 17702189568.

The previous prime is 45637742089. The next prime is 45637742123. The reversal of 45637742120 is 2124773654.

It is not an unprimeable number, because it can be changed into a prime (45637742123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143636 + ... + 334524.

It is an arithmetic number, because the mean of its divisors is an integer number (1653584625).

Almost surely, 2^45637742120 is an apocalyptic number.

45637742120 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 45637742120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52914708000).

45637742120 is an abundant number, since it is smaller than the sum of its proper divisors (60191673880).

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

45637742120 is a wasteful number, since it uses less digits than its factorization.

45637742120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191082 (or 191078 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 41.

The spelling of 45637742120 in words is "forty-five billion, six hundred thirty-seven million, seven hundred forty-two thousand, one hundred twenty".