40246155 has 24 divisors (see below), whose sum is σ = 70649280. Its totient is φ = 21191040.

The previous prime is 40246061. The next prime is 40246223. The reversal of 40246155 is 55164204.

40246155 is a `hidden beast` number, since 40 + 2 + 4 + 615 + 5 = 666.

40246155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40246155 - 2¹⁷ = 40115083 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2106 + ... + 9215.

It is an arithmetic number, because the mean of its divisors is an integer number (2943720).

Almost surely, 2^40246155 is an apocalyptic number.

40246155 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40246155 is a deficient number, since it is larger than the sum of its proper divisors (30403125).

40246155 is a wasteful number, since it uses less digits than its factorization.

40246155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11411 (or 11408 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 40246155 is about 6343.9857345363. The cubic root of 40246155 is about 342.6952870705.

It can be divided in two parts, 40246 and 155, that added together give a square (40401 = 201²).

The spelling of 40246155 in words is "forty million, two hundred forty-six thousand, one hundred fifty-five".