44987240 has 16 divisors (see below), whose sum is σ = 101221380. Its totient is φ = 17994880.

The previous prime is 44987237. The next prime is 44987249. The reversal of 44987240 is 4278944.

It can be written as a sum of positive squares in 2 ways, for example, as 43850884 + 1136356 = 6622^2 + 1066^2 .

It is a junction number, because it is equal to n+sod(n) for n = 44987194 and 44987203.

It is not an unprimeable number, because it can be changed into a prime (44987249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 562301 + ... + 562380.

Almost surely, 2^44987240 is an apocalyptic number.

44987240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44987240 is an abundant number, since it is smaller than the sum of its proper divisors (56234140).

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

44987240 is a wasteful number, since it uses less digits than its factorization.

44987240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124692 (or 1124688 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 44987240 is about 6707.2527908228. The cubic root of 44987240 is about 355.6557080423.

The spelling of 44987240 in words is "forty-four million, nine hundred eighty-seven thousand, two hundred forty".