40691470 has 16 divisors (see below), whose sum is σ = 73318608. Its totient is φ = 16260160.

The previous prime is 40691467. The next prime is 40691471. The reversal of 40691470 is 7419604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40691471) 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, 15450 + ... + 17890.

It is an arithmetic number, because the mean of its divisors is an integer number (4582413).

Almost surely, 2^40691470 is an apocalyptic number.

40691470 is a deficient number, since it is larger than the sum of its proper divisors (32627138).

40691470 is a wasteful number, since it uses less digits than its factorization.

40691470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4115.

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

The square root of 40691470 is about 6378.9865966312. The cubic root of 40691470 is about 343.9546034830.

The spelling of 40691470 in words is "forty million, six hundred ninety-one thousand, four hundred seventy".