40372034 has 4 divisors (see below), whose sum is σ = 60558054. Its totient is φ = 20186016.

The previous prime is 40372027. The next prime is 40372037. The reversal of 40372034 is 43027304.

It is a happy number.

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., 28143025 + 12229009 = 5305^2 + 3497^2 .

It is a super-2 number, since 2×40372034² = 3259802258594312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40372037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10093007 + ... + 10093010.

Almost surely, 2^40372034 is an apocalyptic number.

40372034 is a deficient number, since it is larger than the sum of its proper divisors (20186020).

40372034 is a wasteful number, since it uses less digits than its factorization.

40372034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20186019.

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 40372034 is about 6353.8991178646. The cubic root of 40372034 is about 343.0522010270.

Adding to 40372034 its reverse (43027304), we get a palindrome (83399338).

The spelling of 40372034 in words is "forty million, three hundred seventy-two thousand, thirty-four".