240355401 has 32 divisors (see below), whose sum is σ = 398659968. Its totient is φ = 126551040.

The previous prime is 240355391. The next prime is 240355411. The reversal of 240355401 is 104553042.

It is an interprime number because it is at equal distance from previous prime (240355391) and next prime (240355411).

It is not a de Polignac number, because 240355401 - 2⁹ = 240354889 is a prime.

It is a super-3 number, since 3×240355401³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (240355411) 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, 9186 + ... + 23771.

It is an arithmetic number, because the mean of its divisors is an integer number (12458124).

Almost surely, 2^240355401 is an apocalyptic number.

It is an amenable number.

240355401 is a deficient number, since it is larger than the sum of its proper divisors (158304567).

240355401 is a wasteful number, since it uses less digits than its factorization.

240355401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33001.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 240355401 is about 15503.3996594295. The cubic root of 240355401 is about 621.7531036588.

The spelling of 240355401 in words is "two hundred forty million, three hundred fifty-five thousand, four hundred one".