1540632002 has 32 divisors (see below), whose sum is σ = 2850621312. Its totient is φ = 608114304.

The previous prime is 1540631971. The next prime is 1540632007. The reversal of 1540632002 is 2002360451.

It is not an unprimeable number, because it can be changed into a prime (1540632007) 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, 73913 + ... + 92435.

It is an arithmetic number, because the mean of its divisors is an integer number (89081916).

Almost surely, 2^1540632002 is an apocalyptic number.

1540632002 is a deficient number, since it is larger than the sum of its proper divisors (1309989310).

1540632002 is a wasteful number, since it uses less digits than its factorization.

1540632002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19002.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1540632002 is about 39250.8853658105. The cubic root of 1540632002 is about 1154.9583018747.

Adding to 1540632002 its reverse (2002360451), we get a palindrome (3542992453).

The spelling of 1540632002 in words is "one billion, five hundred forty million, six hundred thirty-two thousand, two".