40770451 has 4 divisors (see below), whose sum is σ = 40797400. Its totient is φ = 40743504.

The previous prime is 40770439. The next prime is 40770461. The reversal of 40770451 is 15407704.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40770451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40770461) 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, 11061 + ... + 14278.

It is an arithmetic number, because the mean of its divisors is an integer number (10199350).

Almost surely, 2^40770451 is an apocalyptic number.

40770451 is a deficient number, since it is larger than the sum of its proper divisors (26949).

40770451 is a wasteful number, since it uses less digits than its factorization.

40770451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26948.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 40770451 is about 6385.1743124209. The cubic root of 40770451 is about 344.1769950670.

The spelling of 40770451 in words is "forty million, seven hundred seventy thousand, four hundred fifty-one".