40156002 has 24 divisors (see below), whose sum is σ = 87323184. Its totient is φ = 13336344.

The previous prime is 40155991. The next prime is 40156013. The reversal of 40156002 is 20065104.

It is a happy number.

40156002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40155991) and next prime (40156013).

It is a super-2 number, since 2×40156002² = 3225008993248008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 11 ways as a sum of consecutive naturals, for example, 1153 + ... + 9035.

It is an arithmetic number, because the mean of its divisors is an integer number (3638466).

Almost surely, 2^40156002 is an apocalyptic number.

40156002 is an abundant number, since it is smaller than the sum of its proper divisors (47167182).

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

40156002 is a wasteful number, since it uses less digits than its factorization.

40156002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8174 (or 8171 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 40156002 is about 6336.8763598480. The cubic root of 40156002 is about 342.4392120438.

The spelling of 40156002 in words is "forty million, one hundred fifty-six thousand, two".