15402242533402 has 16 divisors (see below), whose sum is σ = 23242587363072. Its totient is φ = 7654716905040.

The previous prime is 15402242533393. The next prime is 15402242533409. The reversal of 15402242533402 is 20433524220451.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (15402242533409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8098543 + ... + 9817885.

It is an arithmetic number, because the mean of its divisors is an integer number (1452661710192).

Almost surely, 2^{15402242533402} is an apocalyptic number.

15402242533402 is a deficient number, since it is larger than the sum of its proper divisors (7840344829670).

15402242533402 is a wasteful number, since it uses less digits than its factorization.

15402242533402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746333.

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 15402242533402 its reverse (20433524220451), we get a palindrome (35835766753853).

The spelling of 15402242533402 in words is "fifteen trillion, four hundred two billion, two hundred forty-two million, five hundred thirty-three thousand, four hundred two".