40769401 has 2 divisors, whose sum is σ = 40769402. Its totient is φ = 40769400.

The previous prime is 40769369. The next prime is 40769423. The reversal of 40769401 is 10496704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28901376 + 11868025 = 5376^2 + 3445^2 .

It is a cyclic number.

It is not a de Polignac number, because 40769401 - 2⁵ = 40769369 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40769431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20384700 + 20384701.

It is an arithmetic number, because the mean of its divisors is an integer number (20384701).

Almost surely, 2^40769401 is an apocalyptic number.

40769401 is the 2856-th centered decagonal number.

It is an amenable number.

40769401 is a deficient number, since it is larger than the sum of its proper divisors (1).

40769401 is an equidigital number, since it uses as much as digits as its factorization.

40769401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 40769401 is about 6385.0920901738. The cubic root of 40769401 is about 344.1740404030.

The spelling of 40769401 in words is "forty million, seven hundred sixty-nine thousand, four hundred one".