40445031460 has 12 divisors (see below), whose sum is σ = 84934566108. Its totient is φ = 16178012576.

The previous prime is 40445031383. The next prime is 40445031463. The reversal of 40445031460 is 6413054404.

It can be written as a sum of positive squares in 2 ways, for example, as 27866960356 + 12578071104 = 166934^2 + 112152^2 .

It is not an unprimeable number, because it can be changed into a prime (40445031463) 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, 1011125767 + ... + 1011125806.

It is an arithmetic number, because the mean of its divisors is an integer number (7077880509).

Almost surely, 2^40445031460 is an apocalyptic number.

It is an amenable number.

40445031460 is an abundant number, since it is smaller than the sum of its proper divisors (44489534648).

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

40445031460 is a wasteful number, since it uses less digits than its factorization.

40445031460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022251582 (or 2022251580 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 40445031460 its reverse (6413054404), we get a palindrome (46858085864).

The spelling of 40445031460 in words is "forty billion, four hundred forty-five million, thirty-one thousand, four hundred sixty".