45507683940 has 192 divisors, whose sum is σ = 135667875840. Its totient is φ = 11365401600.

The previous prime is 45507683939. The next prime is 45507683941. The reversal of 45507683940 is 4938670554.

It is an interprime number because it is at equal distance from previous prime (45507683939) and next prime (45507683941).

It is not an unprimeable number, because it can be changed into a prime (45507683941) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 75719640 + ... + 75720240.

It is an arithmetic number, because the mean of its divisors is an integer number (706603520).

Almost surely, 2^45507683940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45507683940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67833937920).

45507683940 is an abundant number, since it is smaller than the sum of its proper divisors (90160191900).

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

45507683940 is a wasteful number, since it uses less digits than its factorization.

45507683940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282 (or 1280 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 45507683940 in words is "forty-five billion, five hundred seven million, six hundred eighty-three thousand, nine hundred forty".