155402404230 has 32 divisors (see below), whose sum is σ = 373197111264. Its totient is φ = 41414936576.

The previous prime is 155402404169. The next prime is 155402404259. The reversal of 155402404230 is 32404204551.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 1557339 + ... + 1654118.

It is an arithmetic number, because the mean of its divisors is an integer number (11662409727).

Almost surely, 2^155402404230 is an apocalyptic number.

155402404230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155402404230 is an abundant number, since it is smaller than the sum of its proper divisors (217794707034).

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

155402404230 is a wasteful number, since it uses less digits than its factorization.

155402404230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213080.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 155402404230 its reverse (32404204551), we get a palindrome (187806608781).

The spelling of 155402404230 in words is "one hundred fifty-five billion, four hundred two million, four hundred four thousand, two hundred thirty".