45619437780 has 288 divisors, whose sum is σ = 168122013696. Its totient is φ = 9774563328.

The previous prime is 45619437767. The next prime is 45619437847. The reversal of 45619437780 is 8773491654.

45619437780 is a `hidden beast` number, since 4 + 5 + 6 + 194 + 377 + 80 = 666.

It is a super-2 number, since 2×45619437780² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5500797 + ... + 5509083.

It is an arithmetic number, because the mean of its divisors is an integer number (583756992).

Almost surely, 2^45619437780 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 45619437780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84061006848).

45619437780 is an abundant number, since it is smaller than the sum of its proper divisors (122502575916).

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

45619437780 is a wasteful number, since it uses less digits than its factorization.

45619437780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8583 (or 8578 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 45619437780 in words is "forty-five billion, six hundred nineteen million, four hundred thirty-seven thousand, seven hundred eighty".