40332225 has 48 divisors (see below), whose sum is σ = 70566912. Its totient is φ = 20285760.

The previous prime is 40332181. The next prime is 40332277. The reversal of 40332225 is 52223304.

40332225 = T₄₇₉ + T₄₈₀ + ... + T₇₀₅.

It is not a de Polignac number, because 40332225 - 2⁶ = 40332161 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 177562 + ... + 177788.

It is an arithmetic number, because the mean of its divisors is an integer number (1470144).

Almost surely, 2^40332225 is an apocalyptic number.

It is an amenable number.

40332225 is a deficient number, since it is larger than the sum of its proper divisors (30234687).

40332225 is a wasteful number, since it uses less digits than its factorization.

40332225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 40332225 is about 6350.7657018662. The cubic root of 40332225 is about 342.9394079631.

Adding to 40332225 its reverse (52223304), we get a palindrome (92555529).

The spelling of 40332225 in words is "forty million, three hundred thirty-two thousand, two hundred twenty-five".