40651473 has 4 divisors (see below), whose sum is σ = 54201968. Its totient is φ = 27100980.

The previous prime is 40651433. The next prime is 40651483. The reversal of 40651473 is 37415604.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 40651473 - 2⁶ = 40651409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40651473.

It is not an unprimeable number, because it can be changed into a prime (40651423) 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, 6775243 + ... + 6775248.

It is an arithmetic number, because the mean of its divisors is an integer number (13550492).

Almost surely, 2^40651473 is an apocalyptic number.

It is an amenable number.

40651473 is a deficient number, since it is larger than the sum of its proper divisors (13550495).

40651473 is a wasteful number, since it uses less digits than its factorization.

40651473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13550494.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 40651473 is about 6375.8507667605. The cubic root of 40651473 is about 343.8418717304.

The spelling of 40651473 in words is "forty million, six hundred fifty-one thousand, four hundred seventy-three".