3140400234 has 32 divisors (see below), whose sum is σ = 6470191296. Its totient is φ = 1015407360.

The previous prime is 3140400233. The next prime is 3140400239. The reversal of 3140400234 is 4320040413.

It is a super-2 number, since 2×3140400234² = 19724227259414509512, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3140400234.

It is not an unprimeable number, because it can be changed into a prime (3140400233) 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, 52114 + ... + 94850.

It is an arithmetic number, because the mean of its divisors is an integer number (202193478).

Almost surely, 2^3140400234 is an apocalyptic number.

3140400234 is an abundant number, since it is smaller than the sum of its proper divisors (3329791062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3140400234 is a wasteful number, since it uses less digits than its factorization.

3140400234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43110.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 3140400234 is about 56039.2740317003. The cubic root of 3140400234 is about 1464.4065644625.

Adding to 3140400234 its reverse (4320040413), we get a palindrome (7460440647).

The spelling of 3140400234 in words is "three billion, one hundred forty million, four hundred thousand, two hundred thirty-four".