40376390397 has 16 divisors (see below), whose sum is σ = 61529342592. Its totient is φ = 23070942720.

The previous prime is 40376390393. The next prime is 40376390437. The reversal of 40376390397 is 79309367304.

It is not a de Polignac number, because 40376390397 - 2² = 40376390393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40376390393) 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, 440313 + ... + 524049.

It is an arithmetic number, because the mean of its divisors is an integer number (3845583912).

Almost surely, 2^40376390397 is an apocalyptic number.

It is an amenable number.

40376390397 is a deficient number, since it is larger than the sum of its proper divisors (21152952195).

40376390397 is a wasteful number, since it uses less digits than its factorization.

40376390397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106708.

The product of its (nonzero) digits is 2571912, while the sum is 51.

The spelling of 40376390397 in words is "forty billion, three hundred seventy-six million, three hundred ninety thousand, three hundred ninety-seven".