40383155 has 8 divisors (see below), whose sum is σ = 49641984. Its totient is φ = 31518400.

The previous prime is 40383131. The next prime is 40383179. The reversal of 40383155 is 55138304.

It is an interprime number because it is at equal distance from previous prime (40383131) and next prime (40383179).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40383155 - 2⁸ = 40382899 is a prime.

It is a Duffinian number.

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, 98291 + ... + 98700.

It is an arithmetic number, because the mean of its divisors is an integer number (6205248).

Almost surely, 2^40383155 is an apocalyptic number.

40383155 is a deficient number, since it is larger than the sum of its proper divisors (9258829).

40383155 is a wasteful number, since it uses less digits than its factorization.

40383155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197037.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 40383155 is about 6354.7741895366. The cubic root of 40383155 is about 343.0836975268.

The spelling of 40383155 in words is "forty million, three hundred eighty-three thousand, one hundred fifty-five".