1400630254 has 16 divisors (see below), whose sum is σ = 2135762640. Its totient is φ = 688804480.

The previous prime is 1400630213. The next prime is 1400630269. The reversal of 1400630254 is 4520360041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5952 + ... + 53260.

It is an arithmetic number, because the mean of its divisors is an integer number (133485165).

Almost surely, 2^1400630254 is an apocalyptic number.

1400630254 is a deficient number, since it is larger than the sum of its proper divisors (735132386).

1400630254 is a wasteful number, since it uses less digits than its factorization.

1400630254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47555.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1400630254 is about 37424.9950434198. The cubic root of 1400630254 is about 1118.8567878923.

Adding to 1400630254 its reverse (4520360041), we get a palindrome (5920990295).

The spelling of 1400630254 in words is "one billion, four hundred million, six hundred thirty thousand, two hundred fifty-four".