40894351 has 2 divisors, whose sum is σ = 40894352. Its totient is φ = 40894350.

The previous prime is 40894331. The next prime is 40894369. The reversal of 40894351 is 15349804.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40894351 - 2⁵ = 40894319 is a prime.

It is a super-2 number, since 2×40894351² = 3344695887422402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40894331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20447175 + 20447176.

It is an arithmetic number, because the mean of its divisors is an integer number (20447176).

Almost surely, 2^40894351 is an apocalyptic number.

40894351 is a deficient number, since it is larger than the sum of its proper divisors (1).

40894351 is an equidigital number, since it uses as much as digits as its factorization.

40894351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 40894351 is about 6394.8691151579. The cubic root of 40894351 is about 344.5252898411.

The spelling of 40894351 in words is "forty million, eight hundred ninety-four thousand, three hundred fifty-one".