40151002 has 4 divisors (see below), whose sum is σ = 60226506. Its totient is φ = 20075500.

The previous prime is 40150987. The next prime is 40151003. The reversal of 40151002 is 20015104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 33281361 + 6869641 = 5769^2 + 2621^2 .

It is a super-2 number, since 2×40151002² = 3224205923208008, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 10037749 + ... + 10037752.

Almost surely, 2^40151002 is an apocalyptic number.

40151002 is a deficient number, since it is larger than the sum of its proper divisors (20075504).

40151002 is a wasteful number, since it uses less digits than its factorization.

40151002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20075503.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 40151002 is about 6336.4818314266. The cubic root of 40151002 is about 342.4249985842.

Adding to 40151002 its reverse (20015104), we get a palindrome (60166106).

The spelling of 40151002 in words is "forty million, one hundred fifty-one thousand, two".