1553401432002 has 32 divisors (see below), whose sum is σ = 3574145977344. Its totient is φ = 440889714000.

The previous prime is 1553401432001. The next prime is 1553401432007. The reversal of 1553401432002 is 2002341043551.

It is a super-3 number, since 3×1553401432002³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1553401432001) 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, 122463024 + ... + 122475707.

It is an arithmetic number, because the mean of its divisors is an integer number (111692061792).

Almost surely, 2^{1553401432002} is an apocalyptic number.

1553401432002 is an abundant number, since it is smaller than the sum of its proper divisors (2020744545342).

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

1553401432002 is a wasteful number, since it uses less digits than its factorization.

1553401432002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244938894.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 1553401432002 its reverse (2002341043551), we get a palindrome (3555742475553).

The spelling of 1553401432002 in words is "one trillion, five hundred fifty-three billion, four hundred one million, four hundred thirty-two thousand, two".