40363155 has 48 divisors (see below), whose sum is σ = 80842944. Its totient is φ = 18247680.

The previous prime is 40363123. The next prime is 40363171. The reversal of 40363155 is 55136304.

It is not a de Polignac number, because 40363155 - 2⁵ = 40363123 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, 29895 + ... + 31215.

It is an arithmetic number, because the mean of its divisors is an integer number (1684228).

Almost surely, 2^40363155 is an apocalyptic number.

40363155 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40363155 is an abundant number, since it is smaller than the sum of its proper divisors (40479789).

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

40363155 is a wasteful number, since it uses less digits than its factorization.

40363155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436 (or 1433 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 40363155 is about 6353.2003746144. The cubic root of 40363155 is about 343.0270500870.

Adding to 40363155 its reverse (55136304), we get a palindrome (95499459).

The spelling of 40363155 in words is "forty million, three hundred sixty-three thousand, one hundred fifty-five".