45731487600 has 240 divisors, whose sum is σ = 171337843200. Its totient is φ = 11553166080.

The previous prime is 45731487583. The next prime is 45731487643. The reversal of 45731487600 is 678413754.

45731487600 is a `hidden beast` number, since 4 + 5 + 7 + 31 + 4 + 8 + 7 + 600 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 93769 + ... + 316631.

It is an arithmetic number, because the mean of its divisors is an integer number (713907680).

Almost surely, 2^45731487600 is an apocalyptic number.

45731487600 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 45731487600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85668921600).

45731487600 is an abundant number, since it is smaller than the sum of its proper divisors (125606355600).

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

45731487600 is a wasteful number, since it uses less digits than its factorization.

45731487600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222909 (or 222892 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 45731487600 in words is "forty-five billion, seven hundred thirty-one million, four hundred eighty-seven thousand, six hundred".