150405040 has 40 divisors (see below), whose sum is σ = 350758800. Its totient is φ = 59978496.

The previous prime is 150404993. The next prime is 150405053. The reversal of 150405040 is 40504051.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 150404999 and 150405017.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25227 + ... + 30613.

It is an arithmetic number, because the mean of its divisors is an integer number (8768970).

Almost surely, 2^150405040 is an apocalyptic number.

150405040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150405040 is an abundant number, since it is smaller than the sum of its proper divisors (200353760).

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

150405040 is a wasteful number, since it uses less digits than its factorization.

150405040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5749 (or 5743 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 150405040 is about 12263.9732550263. The cubic root of 150405040 is about 531.8070983596.

Adding to 150405040 its reverse (40504051), we get a palindrome (190909091).

The spelling of 150405040 in words is "one hundred fifty million, four hundred five thousand, forty".