40377369 has 8 divisors (see below), whose sum is σ = 53897472. Its totient is φ = 26887760.

The previous prime is 40377353. The next prime is 40377383. The reversal of 40377369 is 96377304.

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 40377369 - 2⁴ = 40377353 is a prime.

It is a super-4 number, since 4×40377369⁴ (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (40372369) 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, 4329 + ... + 9974.

It is an arithmetic number, because the mean of its divisors is an integer number (6737184).

Almost surely, 2^40377369 is an apocalyptic number.

It is an amenable number.

40377369 is a deficient number, since it is larger than the sum of its proper divisors (13520103).

40377369 is a wasteful number, since it uses less digits than its factorization.

40377369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15247.

The product of its (nonzero) digits is 95256, while the sum is 39.

The square root of 40377369 is about 6354.3189249518. The cubic root of 40377369 is about 343.0673113456.

The spelling of 40377369 in words is "forty million, three hundred seventy-seven thousand, three hundred sixty-nine".