40151004 has 12 divisors (see below), whose sum is σ = 93685704. Its totient is φ = 13383664.

The previous prime is 40151003. The next prime is 40151029. The reversal of 40151004 is 40015104.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×40151004² = 3224206244416032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40151003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1672947 + ... + 1672970.

It is an arithmetic number, because the mean of its divisors is an integer number (7807142).

Almost surely, 2^40151004 is an apocalyptic number.

It is an amenable number.

40151004 is an abundant number, since it is smaller than the sum of its proper divisors (53534700).

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

40151004 is a wasteful number, since it uses less digits than its factorization.

40151004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3345924 (or 3345922 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 40151004 is about 6336.4819892429. The cubic root of 40151004 is about 342.4250042699.

Adding to 40151004 its reverse (40015104), we get a palindrome (80166108).

It can be divided in two parts, 4015100 and 4, that added together give a palindrome (4015104).

The spelling of 40151004 in words is "forty million, one hundred fifty-one thousand, four".