40162473 has 40 divisors (see below), whose sum is σ = 66187968. Its totient is φ = 24113376.

The previous prime is 40162459. The next prime is 40162489. The reversal of 40162473 is 37426104.

It is not a de Polignac number, because 40162473 - 2⁴ = 40162457 is a prime.

It is a super-2 number, since 2×40162473² = 3226048474951458, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (40162273) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 44836 + ... + 45722.

Almost surely, 2^40162473 is an apocalyptic number.

40162473 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

40162473 is a deficient number, since it is larger than the sum of its proper divisors (26025495).

40162473 is a wasteful number, since it uses less digits than its factorization.

40162473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955 (or 946 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 40162473 is about 6337.3869220681. The cubic root of 40162473 is about 342.4576053516.

Adding to 40162473 its reverse (37426104), we get a palindrome (77588577).

The spelling of 40162473 in words is "forty million, one hundred sixty-two thousand, four hundred seventy-three".