40769938 has 32 divisors (see below), whose sum is σ = 70139520. Its totient is φ = 17592960.

The previous prime is 40769933. The next prime is 40769941. The reversal of 40769938 is 83996704.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (40769933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99478 + ... + 99886.

It is an arithmetic number, because the mean of its divisors is an integer number (2191860).

Almost surely, 2^40769938 is an apocalyptic number.

40769938 is a deficient number, since it is larger than the sum of its proper divisors (29369582).

40769938 is a wasteful number, since it uses less digits than its factorization.

40769938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 40769938 is about 6385.1341411125. The cubic root of 40769938 is about 344.1755515089.

The spelling of 40769938 in words is "forty million, seven hundred sixty-nine thousand, nine hundred thirty-eight".