240431377 has 8 divisors (see below), whose sum is σ = 253465760. Its totient is φ = 227435040.

The previous prime is 240431369. The next prime is 240431383. The reversal of 240431377 is 773134042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 240431377 - 2³ = 240431369 is a prime.

It is a super-2 number, since 2×240431377² = 115614494092232258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240431327) 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, 3973 + ... + 22285.

It is an arithmetic number, because the mean of its divisors is an integer number (31683220).

Almost surely, 2^240431377 is an apocalyptic number.

It is an amenable number.

240431377 is a deficient number, since it is larger than the sum of its proper divisors (13034383).

240431377 is a wasteful number, since it uses less digits than its factorization.

240431377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19023.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 240431377 is about 15505.8497671040. The cubic root of 240431377 is about 621.8186085142.

The spelling of 240431377 in words is "two hundred forty million, four hundred thirty-one thousand, three hundred seventy-seven".