40372141 has 8 divisors (see below), whose sum is σ = 41396960. Its totient is φ = 39351312.

The previous prime is 40372117. The next prime is 40372151. The reversal of 40372141 is 14127304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40372141 - 2⁵ = 40372109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40372151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36391 + ... + 37483.

It is an arithmetic number, because the mean of its divisors is an integer number (5174620).

Almost surely, 2^40372141 is an apocalyptic number.

It is an amenable number.

40372141 is a deficient number, since it is larger than the sum of its proper divisors (1024819).

40372141 is a wasteful number, since it uses less digits than its factorization.

40372141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 40372141 is about 6353.9075378856. The cubic root of 40372141 is about 343.0525040962.

Adding to 40372141 its reverse (14127304), we get a palindrome (54499445).

The spelling of 40372141 in words is "forty million, three hundred seventy-two thousand, one hundred forty-one".