40151630 has 16 divisors (see below), whose sum is σ = 73811520. Its totient is φ = 15718752.

The previous prime is 40151621. The next prime is 40151659. The reversal of 40151630 is 3615104.

It is a super-2 number, since 2×40151630² = 3224306783313800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42245 + ... + 43184.

It is an arithmetic number, because the mean of its divisors is an integer number (4613220).

Almost surely, 2^40151630 is an apocalyptic number.

40151630 is a deficient number, since it is larger than the sum of its proper divisors (33659890).

40151630 is a wasteful number, since it uses less digits than its factorization.

40151630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85483.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 40151630 is about 6336.5313855452. The cubic root of 40151630 is about 342.4267838595.

Adding to 40151630 its reverse (3615104), we get a palindrome (43766734).

The spelling of 40151630 in words is "forty million, one hundred fifty-one thousand, six hundred thirty".