40377131 has 4 divisors (see below), whose sum is σ = 40411632. Its totient is φ = 40342632.

The previous prime is 40377107. The next prime is 40377143. The reversal of 40377131 is 13177304.

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

It is a cyclic number.

It is not a de Polignac number, because 40377131 - 2⁶ = 40377067 is a prime.

It is a super-2 number, since 2×40377131² = 3260625415582322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40377131.

It is not an unprimeable number, because it can be changed into a prime (40377031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15431 + ... + 17856.

It is an arithmetic number, because the mean of its divisors is an integer number (10102908).

Almost surely, 2^40377131 is an apocalyptic number.

40377131 is a deficient number, since it is larger than the sum of its proper divisors (34501).

40377131 is a wasteful number, since it uses less digits than its factorization.

40377131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34500.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 40377131 is about 6354.3001975040. The cubic root of 40377131 is about 343.0666372866.

The spelling of 40377131 in words is "forty million, three hundred seventy-seven thousand, one hundred thirty-one".