44412403540 has 24 divisors (see below), whose sum is σ = 93334033800. Its totient is φ = 17752011648.

The previous prime is 44412403531. The next prime is 44412403571. The reversal of 44412403540 is 4530421444.

It can be written as a sum of positive squares in 4 ways, for example, as 14658913476 + 29753490064 = 121074^2 + 172492^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 781215 + ... + 836134.

It is an arithmetic number, because the mean of its divisors is an integer number (3888918075).

Almost surely, 2^44412403540 is an apocalyptic number.

It is an amenable number.

44412403540 is an abundant number, since it is smaller than the sum of its proper divisors (48921630260).

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

44412403540 is a wasteful number, since it uses less digits than its factorization.

44412403540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618731 (or 1618729 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 44412403540 its reverse (4530421444), we get a palindrome (48942824984).

The spelling of 44412403540 in words is "forty-four billion, four hundred twelve million, four hundred three thousand, five hundred forty".