40153332 has 12 divisors (see below), whose sum is σ = 93691136. Its totient is φ = 13384440.

The previous prime is 40153297. The next prime is 40153343. The reversal of 40153332 is 23335104.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×40153332² = 3224580141404448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40153299 and 40153308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1673044 + ... + 1673067.

Almost surely, 2^40153332 is an apocalyptic number.

It is an amenable number.

40153332 is an abundant number, since it is smaller than the sum of its proper divisors (53537804).

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

40153332 is a wasteful number, since it uses less digits than its factorization.

40153332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3346118 (or 3346116 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 40153332 is about 6336.6656847273. The cubic root of 40153332 is about 342.4316222032.

Adding to 40153332 its reverse (23335104), we get a palindrome (63488436).

The spelling of 40153332 in words is "forty million, one hundred fifty-three thousand, three hundred thirty-two".