40249399613448 has 64 divisors (see below), whose sum is σ = 102753483819840. Its totient is φ = 13133611422464.

The previous prime is 40249399613447. The next prime is 40249399613453. The reversal of 40249399613448 is 84431699394204.

It is not an unprimeable number, because it can be changed into a prime (40249399613447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35150511 + ... + 36277502.

It is an arithmetic number, because the mean of its divisors is an integer number (1605523184685).

Almost surely, 2^{40249399613448} is an apocalyptic number.

It is an amenable number.

40249399613448 is an abundant number, since it is smaller than the sum of its proper divisors (62504084206392).

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

40249399613448 is a wasteful number, since it uses less digits than its factorization.

40249399613448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71428518 (or 71428514 counting only the distinct ones).

The product of its (nonzero) digits is 161243136, while the sum is 66.

The spelling of 40249399613448 in words is "forty trillion, two hundred forty-nine billion, three hundred ninety-nine million, six hundred thirteen thousand, four hundred forty-eight".