2350640397 has 32 divisors (see below), whose sum is σ = 3677184000. Its totient is φ = 1335082224.

The previous prime is 2350640389. The next prime is 2350640407. The reversal of 2350640397 is 7930460532.

2350640397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2350640397 - 2³ = 2350640389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2350650397) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165004 + ... + 178682.

It is an arithmetic number, because the mean of its divisors is an integer number (114912000).

Almost surely, 2^2350640397 is an apocalyptic number.

It is an amenable number.

2350640397 is a deficient number, since it is larger than the sum of its proper divisors (1326543603).

2350640397 is a wasteful number, since it uses less digits than its factorization.

2350640397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13870 (or 13856 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 39.

The square root of 2350640397 is about 48483.4033149489. The cubic root of 2350640397 is about 1329.6236515946.

It can be divided in two parts, 23506 and 40397, that added together give a triangular number (63903 = T₃₅₇).

The spelling of 2350640397 in words is "two billion, three hundred fifty million, six hundred forty thousand, three hundred ninety-seven".