40377845 has 8 divisors (see below), whose sum is σ = 48491520. Its totient is φ = 32276880.

The previous prime is 40377829. The next prime is 40377847. The reversal of 40377845 is 54877304.

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

It is not a de Polignac number, because 40377845 - 2⁴ = 40377829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40377799 and 40377808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40377847) 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, 6500 + ... + 11090.

It is an arithmetic number, because the mean of its divisors is an integer number (6061440).

Almost surely, 2^40377845 is an apocalyptic number.

It is an amenable number.

40377845 is a deficient number, since it is larger than the sum of its proper divisors (8113675).

40377845 is a wasteful number, since it uses less digits than its factorization.

40377845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6355.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 40377845 is about 6354.3563796816. The cubic root of 40377845 is about 343.0686594555.

The spelling of 40377845 in words is "forty million, three hundred seventy-seven thousand, eight hundred forty-five".