1634540364 has 24 divisors (see below), whose sum is σ = 4237697520. Its totient is φ = 544846752.

The previous prime is 1634540357. The next prime is 1634540437. The reversal of 1634540364 is 4630454361.

It is a super-3 number, since 3×1634540364³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 7567209 + ... + 7567424.

It is an arithmetic number, because the mean of its divisors is an integer number (176570730).

Almost surely, 2^1634540364 is an apocalyptic number.

It is an amenable number.

1634540364 is an abundant number, since it is smaller than the sum of its proper divisors (2603157156).

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

1634540364 is a wasteful number, since it uses less digits than its factorization.

1634540364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15134646 (or 15134638 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 1634540364 is about 40429.4492171239. The cubic root of 1634540364 is about 1177.9636342103.

The spelling of 1634540364 in words is "one billion, six hundred thirty-four million, five hundred forty thousand, three hundred sixty-four".