40154002 has 16 divisors (see below), whose sum is σ = 70437312. Its totient is φ = 16808400.

The previous prime is 40153999. The next prime is 40154003. The reversal of 40154002 is 20045104.

40154002 = 1184² + 1185² + ... + 1211².

It is a super-3 number, since 3×40154002³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (40154003) 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, 32749 + ... + 33952.

It is an arithmetic number, because the mean of its divisors is an integer number (4402332).

Almost surely, 2^40154002 is an apocalyptic number.

40154002 is a deficient number, since it is larger than the sum of its proper divisors (30283310).

40154002 is a wasteful number, since it uses less digits than its factorization.

40154002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66753.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 40154002 is about 6336.7185514271. The cubic root of 40154002 is about 342.4335268016.

Adding to 40154002 its reverse (20045104), we get a palindrome (60199106).

The spelling of 40154002 in words is "forty million, one hundred fifty-four thousand, two".