45780440 has 16 divisors (see below), whose sum is σ = 103006080. Its totient is φ = 18312160.

The previous prime is 45780437. The next prime is 45780451. The reversal of 45780440 is 4408754.

It is a junction number, because it is equal to n+sod(n) for n = 45780397 and 45780406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 572216 + ... + 572295.

It is an arithmetic number, because the mean of its divisors is an integer number (6437880).

Almost surely, 2^45780440 is an apocalyptic number.

45780440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45780440 is an abundant number, since it is smaller than the sum of its proper divisors (57225640).

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

45780440 is a wasteful number, since it uses less digits than its factorization.

45780440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144522 (or 1144518 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 45780440 is about 6766.1244446138. The cubic root of 45780440 is about 357.7338095931.

The spelling of 45780440 in words is "forty-five million, seven hundred eighty thousand, four hundred forty".