40415287460 has 24 divisors (see below), whose sum is σ = 85441721400. Its totient is φ = 16057616384.

The previous prime is 40415287459. The next prime is 40415287463. The reversal of 40415287460 is 6478251404.

It can be written as a sum of positive squares in 4 ways, for example, as 2068248484 + 38347038976 = 45478^2 + 195824^2 .

It is not an unprimeable number, because it can be changed into a prime (40415287463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6778109 + ... + 6784068.

It is an arithmetic number, because the mean of its divisors is an integer number (3560071725).

Almost surely, 2^40415287460 is an apocalyptic number.

It is an amenable number.

40415287460 is an abundant number, since it is smaller than the sum of its proper divisors (45026433940).

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

40415287460 is a wasteful number, since it uses less digits than its factorization.

40415287460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13562335 (or 13562333 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 41.

The spelling of 40415287460 in words is "forty billion, four hundred fifteen million, two hundred eighty-seven thousand, four hundred sixty".