1553400002 has 32 divisors (see below), whose sum is σ = 2959887744. Its totient is φ = 593798400.

The previous prime is 1553399957. The next prime is 1553400011. The reversal of 1553400002 is 2000043551.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86999 + ... + 103322.

It is an arithmetic number, because the mean of its divisors is an integer number (92496492).

Almost surely, 2^1553400002 is an apocalyptic number.

1553400002 is a deficient number, since it is larger than the sum of its proper divisors (1406487742).

1553400002 is a wasteful number, since it uses less digits than its factorization.

1553400002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190394.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 1553400002 is about 39413.1957851682. The cubic root of 1553400002 is about 1158.1401036384.

Adding to 1553400002 its reverse (2000043551), we get a palindrome (3553443553).

The spelling of 1553400002 in words is "one billion, five hundred fifty-three million, four hundred thousand, two".