40058421 has 8 divisors (see below), whose sum is σ = 57519840. Its totient is φ = 24651312.

The previous prime is 40058399. The next prime is 40058437. The reversal of 40058421 is 12485004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40058421 - 2¹⁰ = 40057397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40058391 and 40058400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40058461) 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, 513531 + ... + 513608.

It is an arithmetic number, because the mean of its divisors is an integer number (7189980).

Almost surely, 2^40058421 is an apocalyptic number.

It is an amenable number.

40058421 is a deficient number, since it is larger than the sum of its proper divisors (17461419).

40058421 is a wasteful number, since it uses less digits than its factorization.

40058421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027155.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 40058421 is about 6329.1722207568. The cubic root of 40058421 is about 342.1616058511.

The spelling of 40058421 in words is "forty million, fifty-eight thousand, four hundred twenty-one".