57400390 has 16 divisors (see below), whose sum is σ = 105015600. Its totient is φ = 22583520.

The previous prime is 57400363. The next prime is 57400457. The reversal of 57400390 is 9300475.

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, 46440 + ... + 47659.

It is an arithmetic number, because the mean of its divisors is an integer number (6563475).

Almost surely, 2^57400390 is an apocalyptic number.

57400390 is a deficient number, since it is larger than the sum of its proper divisors (47615210).

57400390 is a wasteful number, since it uses less digits than its factorization.

57400390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94167.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 57400390 is about 7576.3045081359. The cubic root of 57400390 is about 385.7491233149.

The spelling of 57400390 in words is "fifty-seven million, four hundred thousand, three hundred ninety".