1634070402 has 32 divisors (see below), whose sum is σ = 3665217600. Its totient is φ = 539597664.

The previous prime is 1634070371. The next prime is 1634070407. The reversal of 1634070402 is 2040704361.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1634070407) 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, 135627 + ... + 147182.

It is an arithmetic number, because the mean of its divisors is an integer number (114538050).

Almost surely, 2^1634070402 is an apocalyptic number.

1634070402 is an abundant number, since it is smaller than the sum of its proper divisors (2031147198).

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

1634070402 is a wasteful number, since it uses less digits than its factorization.

1634070402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282927 (or 282921 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 1634070402 is about 40423.6366745992. The cubic root of 1634070402 is about 1177.8507276051.

Adding to 1634070402 its reverse (2040704361), we get a palindrome (3674774763).

The spelling of 1634070402 in words is "one billion, six hundred thirty-four million, seventy thousand, four hundred two".