40221215152 has 10 divisors (see below), whose sum is σ = 77928604388. Its totient is φ = 20110607568.

The previous prime is 40221215147. The next prime is 40221215189. The reversal of 40221215152 is 25151212204.

40221215152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40221215152² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1256912958 + ... + 1256912989.

Almost surely, 2^40221215152 is an apocalyptic number.

It is an amenable number.

40221215152 is a deficient number, since it is larger than the sum of its proper divisors (37707389236).

40221215152 is a wasteful number, since it uses less digits than its factorization.

40221215152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2513825955 (or 2513825949 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 40221215152 its reverse (25151212204), we get a palindrome (65372427356).

The spelling of 40221215152 in words is "forty billion, two hundred twenty-one million, two hundred fifteen thousand, one hundred fifty-two".