43780508632 has 96 divisors (see below), whose sum is σ = 99283968000. Its totient is φ = 18026487360.

The previous prime is 43780508627. The next prime is 43780508641. The reversal of 43780508632 is 23680508734.

It is a super-2 number, since 2×43780508632² (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 23 ways as a sum of consecutive naturals, for example, 1676169 + ... + 1702087.

It is an arithmetic number, because the mean of its divisors is an integer number (1034208000).

Almost surely, 2^43780508632 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 43780508632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49641984000).

43780508632 is an abundant number, since it is smaller than the sum of its proper divisors (55503459368).

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

43780508632 is a wasteful number, since it uses less digits than its factorization.

43780508632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26109 (or 26098 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 43780508632 in words is "forty-three billion, seven hundred eighty million, five hundred eight thousand, six hundred thirty-two".