155333035040 has 24 divisors (see below), whose sum is σ = 366974295660. Its totient is φ = 62133213952.

The previous prime is 155333035019. The next prime is 155333035049. The reversal of 155333035040 is 40530333551.

It can be written as a sum of positive squares in 2 ways, for example, as 153717316624 + 1615718416 = 392068^2 + 40196^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 155333034988 and 155333035006.

It is not an unprimeable number, because it can be changed into a prime (155333035049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485415575 + ... + 485415894.

Almost surely, 2^155333035040 is an apocalyptic number.

155333035040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155333035040 is an abundant number, since it is smaller than the sum of its proper divisors (211641260620).

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

155333035040 is an equidigital number, since it uses as much as digits as its factorization.

155333035040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970831484 (or 970831476 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 32.

Adding to 155333035040 its reverse (40530333551), we get a palindrome (195863368591).

The spelling of 155333035040 in words is "one hundred fifty-five billion, three hundred thirty-three million, thirty-five thousand, forty".