397155290590 has 16 divisors (see below), whose sum is σ = 745961241888. Its totient is φ = 151955067616.

The previous prime is 397155290579. The next prime is 397155290593. The reversal of 397155290590 is 95092551793.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397155290593) 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, 863380837 + ... + 863381296.

It is an arithmetic number, because the mean of its divisors is an integer number (46622577618).

Almost surely, 2^397155290590 is an apocalyptic number.

397155290590 is a deficient number, since it is larger than the sum of its proper divisors (348805951298).

397155290590 is a wasteful number, since it uses less digits than its factorization.

397155290590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1726762163.

The product of its (nonzero) digits is 3827250, while the sum is 55.

The spelling of 397155290590 in words is "three hundred ninety-seven billion, one hundred fifty-five million, two hundred ninety thousand, five hundred ninety".