61453057400 has 48 divisors (see below), whose sum is σ = 163289556240. Its totient is φ = 21069619200.

The previous prime is 61453057381. The next prime is 61453057409. The reversal of 61453057400 is 475035416.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61453057409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21946121 + ... + 21948920.

It is an arithmetic number, because the mean of its divisors is an integer number (3401865755).

Almost surely, 2^61453057400 is an apocalyptic number.

It is an amenable number.

61453057400 is an abundant number, since it is smaller than the sum of its proper divisors (101836498840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61453057400 is a wasteful number, since it uses less digits than its factorization.

61453057400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43895064 (or 43895055 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 61453057400 in words is "sixty-one billion, four hundred fifty-three million, fifty-seven thousand, four hundred".