1630401234 has 64 divisors (see below), whose sum is σ = 4069757952. Its totient is φ = 423028800.

The previous prime is 1630401233. The next prime is 1630401239. The reversal of 1630401234 is 4321040361.

1630401234 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1630401233) 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, 803329 + ... + 805355.

It is an arithmetic number, because the mean of its divisors is an integer number (63589968).

Almost surely, 2^1630401234 is an apocalyptic number.

1630401234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1630401234 is an abundant number, since it is smaller than the sum of its proper divisors (2439356718).

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

1630401234 is a wasteful number, since it uses less digits than its factorization.

1630401234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3791.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1630401234 is about 40378.2272270589. The cubic root of 1630401234 is about 1176.9684786049.

Adding to 1630401234 its reverse (4321040361), we get a palindrome (5951441595).

The spelling of 1630401234 in words is "one billion, six hundred thirty million, four hundred one thousand, two hundred thirty-four".