40273432 has 32 divisors (see below), whose sum is σ = 77209920. Its totient is φ = 19689120.

The previous prime is 40273423. The next prime is 40273451. The reversal of 40273432 is 23437204.

It is a junction number, because it is equal to n+sod(n) for n = 40273397 and 40273406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121507 + ... + 121837.

It is an arithmetic number, because the mean of its divisors is an integer number (2412810).

Almost surely, 2^40273432 is an apocalyptic number.

It is an amenable number.

40273432 is a deficient number, since it is larger than the sum of its proper divisors (36936488).

40273432 is a wasteful number, since it uses less digits than its factorization.

40273432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631 (or 627 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 40273432 is about 6346.1352018374. The cubic root of 40273432 is about 342.7726906413.

The spelling of 40273432 in words is "forty million, two hundred seventy-three thousand, four hundred thirty-two".