40154052 has 24 divisors (see below), whose sum is σ = 96716032. Its totient is φ = 12952800.

The previous prime is 40154039. The next prime is 40154053. The reversal of 40154052 is 25045104.

It is a super-2 number, since 2×40154052² = 3224695784037408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40154053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53599 + ... + 54342.

Almost surely, 2^40154052 is an apocalyptic number.

It is an amenable number.

40154052 is an abundant number, since it is smaller than the sum of its proper divisors (56561980).

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

40154052 is a wasteful number, since it uses less digits than its factorization.

40154052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107979 (or 107977 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 40154052 is about 6336.7224966855. The cubic root of 40154052 is about 342.4336689349.

Adding to 40154052 its reverse (25045104), we get a palindrome (65199156).

The spelling of 40154052 in words is "forty million, one hundred fifty-four thousand, fifty-two".