60400407 has 8 divisors (see below), whose sum is σ = 80819584. Its totient is φ = 40124088.

The previous prime is 60400399. The next prime is 60400409. The reversal of 60400407 is 70400406.

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

It is not a de Polignac number, because 60400407 - 2³ = 60400399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60400409) 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, 34723 + ... + 36420.

It is an arithmetic number, because the mean of its divisors is an integer number (10102448).

Almost surely, 2^60400407 is an apocalyptic number.

60400407 is a deficient number, since it is larger than the sum of its proper divisors (20419177).

60400407 is a wasteful number, since it uses less digits than its factorization.

60400407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71429.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 60400407 is about 7771.7698756461. The cubic root of 60400407 is about 392.3556898450.

Subtracting 60400407 from its reverse (70400406), we obtain a palindrome (9999999).

The spelling of 60400407 in words is "sixty million, four hundred thousand, four hundred seven".