259401937388 has 48 divisors (see below), whose sum is σ = 497590853760. Its totient is φ = 117346435200.

The previous prime is 259401937387. The next prime is 259401937409. The reversal of 259401937388 is 883739104952.

It is not an unprimeable number, because it can be changed into a prime (259401937387) 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, 26435003 + ... + 26444813.

It is an arithmetic number, because the mean of its divisors is an integer number (10366476120).

Almost surely, 2^259401937388 is an apocalyptic number.

It is an amenable number.

259401937388 is a deficient number, since it is larger than the sum of its proper divisors (238188916372).

259401937388 is a wasteful number, since it uses less digits than its factorization.

259401937388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12638 (or 12636 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 59.

The spelling of 259401937388 in words is "two hundred fifty-nine billion, four hundred one million, nine hundred thirty-seven thousand, three hundred eighty-eight".